摘要:本文主要向大家介绍了C++语言重载运算符练习--对people类重载“= =”运算符和“=”运算符,通过具体的内容向大家展示,希望对大家学习C++语言有所帮助。
本文主要向大家介绍了C++语言重载运算符练习--对people类重载“= =”运算符和“=”运算符,通过具体的内容向大家展示,希望对大家学习C++语言有所帮助。
1. 题目描述
对people类重载“= =”运算符和“=”运算符,“==”运算符判断两个people类对象的id属性是否相等;“=”运算符实现people类对象的赋值操作。
2. 代码如下
#include<iostream>#include<string>using namespace std;class Data{public:
Data(){}
Data(int yy,int mm,int dd){
year=yy;
month=mm;
day=dd;
}
Data(Data &ap){
year=ap.year;
month=ap.month;
day=ap.day;
}
~Data(){
}
int get_year(){
return year;
}
int get_month(){
return month;
}
int get_day(){
return day;
}
void set_year(int y){
year=y;
}
void set_month(int m){
month=m;
}
void set_day(int d){
day=d;
}private:
int year;
int month;
int day;
};class People{public:
People(int num,string se,Data birth,string iid):birthday(birth){
number=num;
sex=se;
id=iid;
}
People(People &tp){
number=tp.get_number();
sex=tp.get_sex();
id=tp.get_id();
birthday=tp.get_birthday();
}
People(){}
People get_People(){
int num,yy,mm,dd;
string ID,se;
cout<<"Please enter the number of the People:"<<endl;
cin>>num;
cout<<"Please enter the sex:(male or female)"<<endl;
cin>>se;
cout<<"Please enter the birthday:"
<<"(Warning the format is 1998 8 3.)"<<endl;
cin>>yy>>mm>>dd;
cout<<"Please enter the id:"<<endl;
cin>>ID;
Data birth(yy,mm,dd);
id=ID;
number=num;
sex=se;
birthday=birth;
return *this;
}
~People(){}
void set_number(int num){
number=num;
}
void set_sex(string se){
sex=se;
}
void set_birhtday(Data birth){
birthday=birth;
}
void set_id(string iidd){
id=iidd;
}
inline int get_number(){
return number;
}
inline string get_sex(){
return sex;
}
Data get_birthday()
{
return birthday;
}
inline string get_id(){
return id;
}
void details(){
cout<<"Number:"<<number<<endl;
cout<<"Sex:"<<sex<<endl;
cout<<"Birthday:"<<birthday.get_year()<<"/"<<birthday.get_month()<<"/"<<birthday.get_day()<<endl;
cout<<"ID:"<<id<<endl;
}
People& operator=(const People &p1){
if(this==&p1){
return *this;
}
number=p1.number;
sex=p1.sex;
birthday=p1.birthday;
id=p1.id;
}private:
int number;
string sex;
Data birthday;
string id;
friend bool operator== (const People &p1,const People &p2){
if(p1.id==p2.id)
return true;
else
return false;
}
};int main()
{
People asp,tcp,tmp;
asp.get_People();
asp.details();
tcp.get_People();
tcp.details();
if(asp==tcp)
cout<<"The id of two people is common!!!"<<endl;
else
cout<<"The id of two people is different!!!"<<endl;
tmp=asp;
tmp.details();
return 0;
}
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